This 300 Blackout AR-15 Build Kit is perfect for a quick and easy weapon build, that any and every level of experience operator and easily complete in a weekend, or even a single day! This AR-15 Build Kit comes fully stocked with a 16” Mid-length Chrome Moly Vanadium, .300 AAC Blackout chambered barrel, a FIRE/SAFE engraved 80% lower receiver 7075-T6 aluminum forging and is already anodized which will match seamlessly with the 300 Blackout upper assembly